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chkconfig command

How do I setup and manage a virtualized environment with Kernel based Virtual Machine (KVM) in CentOS or Red Hat Enterpise Linux version 6 server on IBM server? Can you provide step-by-step commands of how to install and manage Virtual Machines (VMs) on a physical server using KVM for RHEL/CentOS version 6.4?
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I am a new Fedora Linux version 18 system administrator. How do I restart dhcpd server using command line options in Fedora Linux server running on HP server hardware?
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How do I find out if a service such as MySQL or Apache running on my Centos/RHEL/Fedora Linux server?
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CentOS Linux: Start / Stop / Restart SSHD Command

I'm a new CentOS Linux server user. How can I start, stop, or restart the OpenSSH (SSHD) server on a CentOS Linux? How can I start SSHD on boot time on a CentOS Linux?
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A properly configured firewall can greatly increase the security of RHEL / CentOS based system. How do I configure a shorewall based firewall for CentOS or Red Hat Enterprise Linux system with an Internet connection? How do I install and configure shorewall to protect the following small business network?

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CentOS Linux 5/6 Install Mysql Database Server

How do I install MySQL database server on CentOS Linux version 5 or version 6 using command line options? How do I configuring MySQL server on CentOS Linux?
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HowTo: Listen Pandora In Europe ( Outside USA )

I have Pandora Internet Radio One subscription, and recently I moved to Europe for a few months as part of my work schedule. The service fully available only in the United States. How do I access Pandora one service in Europe? Can I get around it by using a proxy server installed on my own server located in USA at home or ISP data center?
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